package net.xdclass.service.impl;

import lombok.extern.slf4j.Slf4j;
import net.xdclass.component.SmsComponent;
import net.xdclass.config.SmsConfig;
import net.xdclass.constant.RedisKey;
import net.xdclass.enums.BizCodeEnum;
import net.xdclass.enums.SendCodeEnum;
import net.xdclass.service.NotifyService;
import net.xdclass.util.CheckUtil;
import net.xdclass.util.CommonUtil;
import net.xdclass.util.JsonData;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;

@Service
@Slf4j
public class NotifyServiceImpl implements NotifyService {


    /**
     * 10分钟有效
     */
    private static final int CODE_EXPIRED = 60*1000*10;

    @Autowired
    private SmsComponent smsComponent;

    @Autowired
    private SmsConfig smsConfig;

    @Autowired
    private StringRedisTemplate redisTemplate;

    @Override
    public JsonData sendCode(SendCodeEnum sendCodeEnum, String to) {
        String cacheKey = String.format(RedisKey.CHECK_CODE_KEY, sendCodeEnum.name(), to);

        String cacheValue = redisTemplate.opsForValue().get(cacheKey);

        // 不为空，再判断是否是60秒内重复发送
        if (StringUtils.isNoneBlank(cacheValue)) {
            long ttl = Long.parseLong(cacheValue.split("_")[1]);
            long leftTime = CommonUtil.getCurrentTimestamp() - ttl;
            if (leftTime < (1000*60)) {
                log.info("重复发送短信验证码，时间间隔:{}秒", leftTime);
                return JsonData.buildResult(BizCodeEnum.CODE_LIMITED);
            }
        }

        String code = CommonUtil.getRandomCode(6);
        // 生成拼接好验证码
        String value = code+"_"+CommonUtil.getCurrentTimestamp();
        redisTemplate.opsForValue().set(cacheKey,value,CODE_EXPIRED, TimeUnit.MILLISECONDS);
        if (CheckUtil.isEmail(to)) {
            // 发送邮箱验证码 TODO
        } else if (CheckUtil.isPhone(to)) {
            // 发送手机验证码
            String codeTemplate = "**code**:%s";
            smsComponent.send(to, smsConfig.getTemplateId(), smsConfig.getSignId(), String.format(codeTemplate, code));
        }
        return JsonData.buildSuccess();
    }

    @Override
    public boolean checkCode(SendCodeEnum sendCodeEnum, String to, String code) {
        String cacheKey = String.format(RedisKey.CHECK_CODE_KEY, sendCodeEnum.name(), to);

        String cacheValue = redisTemplate.opsForValue().get(cacheKey);
        if (StringUtils.isNoneBlank(cacheValue)) {
            String cacheCode = cacheValue.split("_")[0];
            if (cacheCode.equalsIgnoreCase(cacheCode)) {
                redisTemplate.delete(cacheKey);
                return true;
            }
        }
        return false;
    }
}
